4 if [ -z $JPP_DIR ]; then
 
    5     echo "Variable JPP_DIR undefined."
 
    9 source $JPP_DIR/setenv.sh $JPP_DIR >& /dev/null
 
   11 set_variable:  DEBUG         ACOUSTICS_DEBUG       2
 
   12 set_variable:  WORKDIR       ACOUSTICS_WORKDIR     ./
 
   13 set_variable:  THREADS       ACOUSTICS_THREADS     5
 
   14 set_variable+  HYDROPHONE    ACOUSTICS_HYDROPHONE  -H hydrophone.txt
 
   15 set_variable+  TRANSMITTER   ACOUSTICS_TRANSMITTER -Y transmitter.txt
 
   18     usage "$script <detector file> (input file)+ <script file>"\
 
   19           "\nAuxiliary script for position pre-calibration."\
 
   20           "\nInput files correspond to the output of JAcousticsEventBuilder[.sh]."
 
   24     fatal "Wrong number of arguments."
 
   27 set_variable  DETECTOR            $argv[1]
 
   28 set_array     INPUT_FILES         $argv[2,-2]
 
   29 set_variable  SCRIPT              $argv[-1]
 
   31 eval `JPrintDetector -a $DETECTOR -O IDENTIFIER`
 
   33 JAcoustics.sh   $DETECTOR_ID
 
   39     -f "$INPUT_FILES[*]"                       \
 
   42     -V sound_velocity.txt                      \
 
   44     -@ acoustics_fit_parameters.txt            \